To add a video for Genevan Psalter / Psalm 109: O Dieu, mon honneur et ma gloire (1562: Original melody of Ps. 28), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Genevan Psalter / Psalm 109: O Dieu, mon honneur et ma gloire (1562: Original melody of Ps. 28)